Direct asymmetric α-hydroxylation of 2-hydroxymethyl ketones
作者:Anne Paju、Tõnis Kanger、Tõnis Pehk、Margus Lopp
DOI:10.1016/s0040-4020(02)00760-3
日期:2002.9
A direct alpha-hydroxylation of racemic 2-hydroxymethyl ketones with the Sharpless epoxidation catalyst resulted in alpha,beta-dihydroxy ketones in high ee (up to 97%) and in moderate to good isolated yield (up to 58%). (C) 2002 Elsevier Science Ltd. All rights reserved.
Batty, Duncan; Crich, David, Journal of the Chemical Society. Perkin transactions I, 1992, # 23, p. 3193 - 3204
作者:Batty, Duncan、Crich, David
DOI:——
日期:——
Adlerova et al., Collection of Czechoslovak Chemical Communications, 1958, vol. 23, p. 681,688
作者:Adlerova et al.
DOI:——
日期:——
Asymmetric Hydrogenation of Racemic 6-Aryl 1,4-Dioxaspiro[4.5]decan-7-ones to Functionalized Chiral β-Aryl Cyclohexanols via a Dynamic Kinetic Resolution
asymmetric hydrogenation method for the synthesis of functionalized β-aryl cyclohexanols is described. With chiral spiro ruthenium catalyst (Ra,S,S)-5c, a series of racemic α-aryl cyclohexanones bearing a β-monoethylene ketal group were hydrogenated to the corresponding functionalized β-aryl cyclohexanols in high yields with enantioselectivity of up to 99% ee via a dynamic kinetic resolution. This protocol